Finding the Fourth Proportional to 889,446.80, 1,334,419.62 and 357,341.48
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Solution
The fourth proportional to 889,446.80, 1,334,419.62 and 357,341.48 is: 536,112.43
Step by Step Solution
- Step 1: Write the proportion equation
889,446.80 : 1,334,419.62 = 357,341.48 : x - Step 2: Convert to fraction form
889,446.80/1,334,419.62 = 357,341.48/x - Step 3: Cross multiply
889,446.80x = 1,334,419.62 × 357,341.48 - Step 4: Simplify right side
889,446.80x = 476,843,481,951.84 - Step 5: Solve for x
x = 476,843,481,951.84/889,446.80 - Step 6: Final answer
x = 536,112.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.